Articles

Articles by Mr Sumit Sharma

The unacceptable air quality in our cities is a major challenge for the country. Almost 80% of the cities violate the standards prescribed by the Central Pollution Control Board. A recent study by The Energy and Resources Institute (TERI) showed...

The quality of air we breathe in Delhi is not acceptable by any standards. Especially during winters, the level of pollutants goes up significantly due to meteorological adversity. However, it is not the meteorology to be blamed, but the...

Delhi leads the country in its air pollution. The annual averages in the national capital are three to four times higher than the standards of particulate matter. Even gaseous pollutants like nitrogen oxide violate the limits, which are generally...

The discussions over India's deteriorating air quality started two years ago after a WHO report deemed Delhi as the most polluted city in the world. This led to discussions among the public about the consequences of being exposed to high...

There is no debate about Delhi's air quality, it is severely injurious to human health, more so in the winter, owing to adverse meteorology. Source apportionment studies, which reveal how much of each component of air pollution comes from which...

When this writer woke up in the morning one of these days, he thought that visibility would be as high as it was a day before - it happened due to the rain-wash effect. But soon he realised that pollution sources in the city were actually above...

Sustainable transport requires us not only to ensure that the transport systems in place meet our mobility requirements, but are also sustainable in terms of energy efficiency and environment friendliness. The level of pollution in Delhi recently...

For India the particulate matter pollution is not the only concern; secondary pollutants such as Ozone are the emerging threats for the fast developing nation. In the last two decades, India has shown tremendous economic growth and has...